| Eatt Group Ltd | Financial services | 2024 |
| Eatt Wholesale Ltd | Financial services | 2024 |
| Eatt Winchmore Hill Ltd | Hospitality | 2024 |
| EAU LDN Ltd | Administrative & support | 2025 |
| EB Electrical (Richmond) Ltd | Construction | 2009 |
| Ebecke Limited | Manufacturing | 2013 |
| Ebolcanlilar Tutors Limited | Education | 2025 |
| EBS Construction London Ltd | Construction | 2023 |
| Ebton Brickwork Ltd | Construction | 2019 |
| Ebugin Property Ltd | Financial services | 2025 |
| EC Child Development Limited | Health & social care | 2023 |
| EC34 Health Care Ltd | Health & social care | 2025 |
| Ecclestone Management Consultancy Ltd | Professional & scientific | 2019 |
| Ecemeks Ltd | Professional & scientific | 2019 |
| Echelearn Limited | Education | 2023 |
| Echonovemberthreepropertyinvestments Limited | Real estate | 2025 |
| Ecko Health Limited | Health & social care | 2012 |
| Eclipse Property Developers Ltd | Construction | 2022 |
| Eco Advice LP | | 2017 |
| Eco Bravo Limited | Wholesale & retail | 2021 |
| Eco Catering Food Limited | Wholesale & retail | 2016 |
| Eco Heating Services & Solutions Limited | Construction | 2015 |
| Eco Life Team LP | | 2021 |
| Eco Logic Limited | Professional & scientific | 2009 |
| Eco Storage Units Ltd | Transport & logistics | 2022 |
| Eco-Insulation Home Limited | Construction | 2018 |
| Eco-Point Laboratories Limited | Manufacturing | 1987 |
| Ecobuild Alliance Ltd | Extraterritorial | 2022 |
| Ecogreen Homes Limited | Real estate | 2023 |
| Ecoheating Boilers Ltd | Construction | 2022 |
| Ecomove Bristol Ltd | Wholesale & retail | 2020 |
| ECONNECT247 Limited | Administrative & support | 2016 |
| Ecosearch Limited | Manufacturing | 1993 |
| Ecrypto-Business LP | | 2017 |
| Ectric Consultancy Ltd | Construction | 2022 |
| Ed's Handyman Limited | Construction | 2021 |
| Ed-Rad Ltd | Health & social care | 2022 |
| ED1 Tyres Limited | Wholesale & retail | 2024 |
| EDA Quality Foods Limited | Wholesale & retail | 2002 |
| Edact | Education | 2016 |
| Edco Consulting Ltd | Professional & scientific | 2021 |
| EDE Kara Properties Ltd | Real estate | 2018 |
| Eden Community Care Ltd | Health & social care | 2026 |
| Eden Driftwood Ltd | Real estate | 2022 |
| Eden Quality Care Ltd | Administrative & support | 2015 |
| Eden Therapy Ltd | Health & social care | 2025 |
| Edenvale Care Limited | Health & social care | 2004 |
| Edes Associates Ltd | Health & social care | 2018 |
| Edessa Takeaway Ltd | Hospitality | 2025 |
| Edgcumbe Cafes Limited | Hospitality | 2020 |
| Edge Building Consultancy Limited | Real estate | 2010 |
| Edgecot Healthcare Ltd | Wholesale & retail | 2024 |
| Edgecot Properties Ltd | Real estate | 2020 |
| Edgesportsglobal Ltd | Arts & recreation | 2025 |
| Edgeuk Limited | Construction | 2024 |
| Edgware Music Limited | Wholesale & retail | 2014 |
| Edh-Olu Ltd | Health & social care | 2014 |
| Edify Recruitment Ltd | Administrative & support | 2026 |
| Edith Care Services Ltd. | Health & social care | 2015 |
| Edith Estates & Properties Limited | Construction | 2025 |
| Editorial & Creative Solutions Ltd | Information & communication | 2019 |
| Ediz Vegetable Ltd | Wholesale & retail | 2025 |
| Edmond London Limited | Administrative & support | 2025 |
| Edmonton Master Services Ltd | Administrative & support | 2025 |
| Ednex Ltd | Education | 2026 |
| EDS Group Holdings Limited | Financial services | 2020 |
| EDUC8SEN Limited | Education | 2019 |
| Educational Consultancy Solutions Limited | Education | 2012 |
| Eduhomes Solutions Ltd | Education | 2025 |
| Edulexus Ltd | Education | 2024 |
| Edward Consulting International Limited | Professional & scientific | 2018 |
| Edward Temple-Morris Limited | Information & communication | 1998 |
| Edwina House Lettings Limited | Hospitality | 2017 |
| EEA Maintenance Ltd | Real estate | 2014 |
| EEE Accountants Limited | Professional & scientific | 2015 |
| Eefc Property Developments Limited | Construction | 2005 |
| EEH Group Ltd | Real estate | 2024 |
| Eesv Schoups Hattinga Verschure Shepherd Harris Lawyers | Professional & scientific | 1997 |
| EF Cargo Enterprise Limited | Transport & logistics | 2024 |
| EF Construction Ltd | Construction | 2020 |
| Ef-Soft Limited | Information & communication | 2018 |
| EFB Events Ltd | Hospitality | 2024 |
| EFC Mechanical Installation and Construction Works Ltd | Construction | 2021 |
| EFE Food & Wine Ltd | Wholesale & retail | 2019 |
| Efes Cuts Limited | Other services | 2025 |
| Efes Supermarket Ltd | Wholesale & retail | 2024 |
| Effectual Leadership (EL) UK Ltd | Professional & scientific | 2025 |
| Effextive Limited | Professional & scientific | 2015 |
| Efficax Vission [UK] Ltd | Administrative & support | 2025 |
| Efficient Performance Ltd | Professional & scientific | 2009 |
| Efina Investment Ltd | Real estate | 2025 |
| EFM Entertainment Ltd | Information & communication | 2022 |
| Efrank Ltd | Manufacturing | 2018 |
| Eftelya Barbers Ltd | Other services | 2025 |
| EFX Group Ltd | Wholesale & retail | 2025 |
| EGE Bookkeeping & Consultancy Ltd | Professional & scientific | 2020 |
| EGE Engineering Services Ltd | Professional & scientific | 2017 |
| EGE Foods CT Limited | Wholesale & retail | 2022 |
| EGE Restaurant (Eastbourne) Ltd | Hospitality | 2025 |
| EGF Auto Ltd | Manufacturing | 2021 |